## Last changed: 2021-02-12 22:16:21 UTC
version 12.3X48-D105.4;
system {
    root-authentication {

    }
    name-server {
        208.67.222.222;
        208.67.220.220;
    }
    services {
        ssh;
        telnet;
        xnm-clear-text;
        web-management {
            http {
                port 80;
                interface ge-0/0/0.0;
            }
        }
        dhcp {
            pool 192.168.16.0/24 {
                address-range low 192.168.16.186 high 192.168.16.254;
                router {
                    192.168.16.1;
                }
                propagate-settings ge-0/0/1.0;
            }
            pool 192.168.0.0/24 {
                address-range low 192.168.0.100 high 192.168.0.254;
                router {
                    192.168.0.1;
                }
                propagate-settings ge-0/0/3.0;
            }
        }
    }
    syslog {
        archive size 100k files 3;
        user * {
            any emergency;
        }
        file messages {
            any critical;
            authorization info;
        }
        file interactive-commands {
            interactive-commands error;
        }
    }
    max-configurations-on-flash 5;
    max-configuration-rollbacks 5;
    license {
        autoupdate {
            url https://ae1.juniper.net/junos/key_retrieval;
        }
    }
}
security {
    screen {
        ids-option untrust-screen {
            icmp {
                ping-death;
            }
            ip {
                source-route-option;
                tear-drop;
            }
            tcp {
                syn-flood {
                    alarm-threshold 1024;
                    attack-threshold 200;
                    source-threshold 1024;
                    destination-threshold 2048;
                    timeout 20;
                }
                land;
            }
        }
    }
    nat {
        source {
            rule-set trust-to-untrust {
                from zone trust;
                to zone untrust;
                rule source-nat-rule {
                    match {
                        source-address 0.0.0.0/0;
                        destination-address 0.0.0.0/0;
                    }
                    then {
                        source-nat {
                            interface;
                        }
                    }
                }
            }
        }
    }
    policies {
        from-zone trust to-zone untrust {
            policy trust-to-untrust {
                match {
                    source-address any;
                    destination-address any;
                    application any;
                }
                then {
                    permit;
                }
            }
        }
        from-zone trust to-zone trust {
            policy trust-to-trust {
                match {
                    source-address any;
                    destination-address any;
                    application any;
                }
                then {
                    permit;
                }
            }
        }
    }
    zones {
        security-zone trust {
            address-book {
                address local-addreses 192.168.0.0/24;
            }
            host-inbound-traffic {
                system-services {
                    all;
                }
                protocols {
                    all;
                }
            }
            interfaces {
                ge-0/0/1.0;
                ge-0/0/2.0;
                ge-0/0/3.0 {
                    host-inbound-traffic {
                        system-services {
                            all;
                        }
                        protocols {
                            all;
                        }
                    }
                }
            }
        }
        security-zone untrust {
            screen untrust-screen;
            interfaces {
                ge-0/0/0.0 {
                    host-inbound-traffic {
                        system-services {
                            all;
                        }
                        protocols {
                            all;
                        }
                    }
                }
            }
        }
    }
}
interfaces {
    ge-0/0/0 {
        description Uplink;
        unit 0 {
            family inet {
                address 192.168.16.4/24;
            }
        }
    }
    ge-0/0/1 {
        description EI;
        vlan-tagging;
        unit 0 {
            vlan-id 3;
            family inet;
        }
    }
    ge-0/0/2 {
        unit 0 {
            family inet {
                address 192.168.2.1/24;
            }
        }
    }
    ge-0/0/3 {
        description OS;
        speed 1g;
        link-mode full-duplex;
        gigether-options {
            auto-negotiation;
        }
        unit 0 {
            family inet {
                address 192.168.0.1/24;
            }
        }
    }
}
routing-options {
    static {
        route 0.0.0.0/0 next-hop 192.168.16.1;
    }
}
firewall {
    family inet {
        filter common-filter {
            term traff {
                from {
                    interface ge-0/0/0;
                }
                then {
                    routing-instance to-untrust; ## 'to-untrust' is not defined
                }
            }
            term default {
                then accept;
            }
        }
    }
}